nanocore | 8639df94b9fe27f10c9737b08c9a26a027dbe318188a420b17696ec5eb61e785

General

Target

New_Order_15-10-2019.scr
Size

1.4MB
MD5

e246a3e9ec0ac7fcc336b1b6573b8b39
SHA1

9ebcb441e577979a0e9d9d938a1f4c1654468fc0
SHA256

ca7cea45f193ef9fc1c02124dfa1baeb339a2ca5a1eaa9a386d98056a18283ab
SHA512

f0927eb4ec1441a54b710f94fa71a36c935f79c5cb29689c5af5bc6d4c83fca61c1bee2919c2d5a9bcbd426e4824ccbb64fac1b562c5661d9caaddb306ba288b
SSDEEP

24576:8NA3R5drXpJcqAd6Cn75hqju5AxTwFhmzuO6Du1h6LId7nT1RMwaMm3CfBomq:95DQci75Qju5AtmhmCO6y1h6LIdzTXMb

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

williams1988.ddns.net:1988

79.134.225.79:1988

Mutex

59ed8572-8278-47f8-86b1-9f5eafbae9e8

Attributes

activate_away_mode
false
backup_connection_host
79.134.225.79
backup_dns_server
buffer_size
65538
build_time
2019-06-30T15:36:33.488694936Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
1988
default_group
Sept2019
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
59ed8572-8278-47f8-86b1-9f5eafbae9e8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
williams1988.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8009

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Executes dropped EXE 2 IoCs

pid	Process
1856	vumvjuuo.exe
2576	RegSvcs.exe

Loads dropped DLL 2 IoCs

pid	Process
1036	WScript.exe
1856	vumvjuuo.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	RegSvcs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\74723740\\vumvjuuo.exe C:\\Users\\Admin\\AppData\\Local\\Temp\\74723740\\itrvnfur.blb"	vumvjuuo.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1856 set thread context of 2576	1856	vumvjuuo.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New_Order_15-10-2019.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vumvjuuo.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2572	schtasks.exe
1132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2576	RegSvcs.exe
2576	RegSvcs.exe
2576	RegSvcs.exe
2576	RegSvcs.exe
2576	RegSvcs.exe
2576	RegSvcs.exe
2576	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	RegSvcs.exe
Token: SeDebugPrivilege	2576	RegSvcs.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 1036	2724	New_Order_15-10-2019.scr	30
PID 2724 wrote to memory of 1036	2724	New_Order_15-10-2019.scr	30
PID 2724 wrote to memory of 1036	2724	New_Order_15-10-2019.scr	30
PID 2724 wrote to memory of 1036	2724	New_Order_15-10-2019.scr	30
PID 1036 wrote to memory of 1856	1036	WScript.exe	31
PID 1036 wrote to memory of 1856	1036	WScript.exe	31
PID 1036 wrote to memory of 1856	1036	WScript.exe	31
PID 1036 wrote to memory of 1856	1036	WScript.exe	31
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 1856 wrote to memory of 2576	1856	vumvjuuo.exe	32
PID 2576 wrote to memory of 2572	2576	RegSvcs.exe	33
PID 2576 wrote to memory of 2572	2576	RegSvcs.exe	33
PID 2576 wrote to memory of 2572	2576	RegSvcs.exe	33
PID 2576 wrote to memory of 2572	2576	RegSvcs.exe	33
PID 2576 wrote to memory of 1132	2576	RegSvcs.exe	35
PID 2576 wrote to memory of 1132	2576	RegSvcs.exe	35
PID 2576 wrote to memory of 1132	2576	RegSvcs.exe	35
PID 2576 wrote to memory of 1132	2576	RegSvcs.exe	35

C:\Users\Admin\AppData\Local\Temp\New_Order_15-10-2019.scr
"C:\Users\Admin\AppData\Local\Temp\New_Order_15-10-2019.scr" /S
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\74723740\aroko.vbs"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Users\Admin\AppData\Local\Temp\74723740\vumvjuuo.exe
    "C:\Users\Admin\AppData\Local\Temp\74723740\vumvjuuo.exe" itrvnfur.blb
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1856
  - - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2576
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8F64.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2572
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9168.tmp"
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\74723740\aroko.vbs

Filesize
44KB

MD5
258e77d79b7ac72a8e9ee04775e72528

SHA1
346ea563b2d14d5b99131e4757e02a8d0f2a38bf

SHA256
56db6391426f562509b1c9b95ce651f11c707dd9adb2fbadf7226996e1ee0d35

SHA512
12042296a4d8de5ebf5dfaadf661449e6f27ac911d32a1cc441c082749dc25c9d22cd4c04da311fb84e6a536b9ab2bb9182b4c00bd874b12fa139a04273457fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\74723740\chflvuxjh.bmp

Filesize
467KB

MD5
6b1aa76fbc3e824b53bfc668f04ed1c4

SHA1
3d9093b15df4fd9e5f2760705fabf25d95dbce2d

SHA256
3d5406c77f115a0f5962193911c533c3e9fbf09add9c51001dfef7384e0e9e6c

SHA512
5759f66acebb0fb101c49506a86f43fc99cc4cf043da3756b276df61d757f93473e4f4ff572738906e0cb5240ead92d0b24710fe8ee548f8337a8151c2900169

Download Submit
C:\Users\Admin\AppData\Local\Temp\74723740\vumvjuuo.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8F64.tmp

Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9168.tmp

Filesize
1KB

MD5
8f5713b14cee3089852f6c8d2a7a7d57

SHA1
8bffbea05715c6434ad593cce8a2c737f80ff788

SHA256
ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c

SHA512
82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe

Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
memory/2576-155-0x0000000001070000-0x00000000010AA000-memory.dmp

Filesize
232KB

Download
memory/2576-150-0x0000000001070000-0x0000000002070000-memory.dmp

Filesize
16.0MB

Download
memory/2576-152-0x0000000001070000-0x0000000002070000-memory.dmp

Filesize
16.0MB

Download
memory/2576-149-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-153-0x0000000001070000-0x0000000002070000-memory.dmp

Filesize
16.0MB

Download
memory/2576-147-0x0000000001070000-0x0000000002070000-memory.dmp

Filesize
16.0MB

Download
memory/2576-163-0x0000000000810000-0x000000000081A000-memory.dmp

Filesize
40KB

Download
memory/2576-164-0x0000000000860000-0x000000000086C000-memory.dmp

Filesize
48KB

Download
memory/2576-165-0x0000000000A40000-0x0000000000A5E000-memory.dmp

Filesize
120KB

Download
memory/2576-166-0x0000000000C10000-0x0000000000C1A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads